Ferry Building Walk: Relive the rise, fall and rebirth of this landmark, its ferries, freeways and earthquakes. Visit a contemporary swirl of shops. Offered every Saturday and Tuesday at noon. Meet at foot of front entrance stairs on Market and Embarcadero. [See www.sfcityguides.org or call (415) 557-4266 for more information]

Morning: Light rain, 48 degrees

Better homes: Take the Victorian Home Walk. Pacific Heights — its Victorian row houses and famous mansions — is the focus of this tour. [11 a.m.; meet at Union Square, Powell and Post streets]

Science and cinema: Visit the Exploratorium. Today’s attractions include the exhibits “Mind” and “Listen: Making Sense of Sound” and the Holiday Animated Film Festival. [10 a.m. to 5 p.m., 3601 Lyon St.]

Afternoon: Light rain, 54 degrees

Museum pieces: Visit the de Young Museum. Exhibits include “The Sculpture of Louise Nevelson” and “For Tent and Trade: Masterpieces of Turkmen Weaving.” [9:30 a.m. to 5:15 p.m., Golden Gate Park]

Top score: Film composer Miklos Rozsa is the subject of a series taking place at the Castro Theatre. “Ben-Hur” (1959), which features Rozsa’s Oscar-winning score, screens today. [2:30 and 7 p.m., 429 Castro St.]

Evening: Chance of light rain, 50 degrees

Last dances: It’s the last weekend to catch the S.F. Ballet’s 2007 production of “Nutcracker” (shown above). Special family activities are set for the 7 p.m. show. [2 and 7 p.m., War Memorial Opera House, 301 Van Ness Ave.]

Holiday spirit: “Black Nativity” closes this weekend. Faye Carol stars in this hand-clapping, foot-stomping gospel musical about the story of Christmas. [8 p.m., Lorraine Hansberry Theatre, 620 Sutter St.]

Full sale: “Shopping! The Musical” continues its long-running engagement. Morris Bobrow’s revue features songs and sketches about numerous aspects of the shopping experience. [8 p.m., Shelton Theater, 533 Sutter St.]